abis_rsl: Allow to specify the release mode for a given channel.
This can be used by handover, early assignment to indicate the
close of the old channel...
diff --git a/openbsc/include/openbsc/abis_rsl.h b/openbsc/include/openbsc/abis_rsl.h
index 8e6774d..e87f430 100644
--- a/openbsc/include/openbsc/abis_rsl.h
+++ b/openbsc/include/openbsc/abis_rsl.h
@@ -68,7 +68,7 @@
unsigned int n_pag_blocks(int bs_ccch_sdcch_comb, unsigned int bs_ag_blks_res);
u_int64_t str_to_imsi(const char *imsi_str);
u_int8_t lchan2chan_nr(const struct gsm_lchan *lchan);
-int rsl_release_request(struct gsm_lchan *lchan, u_int8_t link_id);
+int rsl_release_request(struct gsm_lchan *lchan, u_int8_t link_id, u_int8_t reason);
int rsl_lchan_set_state(struct gsm_lchan *lchan, int);
diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index f305bb1..451c80d 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -752,14 +752,15 @@
RELEASE CONFIRM, which we in turn use to trigger RSL CHANNEL RELEASE,
which in turn is acknowledged by RSL CHANNEL RELEASE ACK, which calls
lchan_free() */
-int rsl_release_request(struct gsm_lchan *lchan, u_int8_t link_id)
+int rsl_release_request(struct gsm_lchan *lchan, u_int8_t link_id, u_int8_t reason)
{
struct msgb *msg;
msg = rsl_rll_simple(RSL_MT_REL_REQ, lchan2chan_nr(lchan),
link_id, 0);
- msgb_tv_put(msg, RSL_IE_RELEASE_MODE, 0); /* normal release */
+ /* 0 is normal release, 1 is local end */
+ msgb_tv_put(msg, RSL_IE_RELEASE_MODE, reason);
/* FIXME: start some timer in case we don't receive a REL ACK ? */
diff --git a/openbsc/src/chan_alloc.c b/openbsc/src/chan_alloc.c
index 107abdc..5a3e727 100644
--- a/openbsc/src/chan_alloc.c
+++ b/openbsc/src/chan_alloc.c
@@ -363,7 +363,7 @@
DEBUGP(DRLL, "%s Recycling Channel\n", gsm_lchan_name(lchan));
rsl_lchan_set_state(lchan, LCHAN_S_REL_REQ);
- rsl_release_request(lchan, 0);
+ rsl_release_request(lchan, 0, 0);
return 1;
}